Merge pull request #10 from projectweekend/master

Remove JSON functions

pg_table_markdown/__init__.py

@@ -27,10 +27,10 @@ def cli(database_url, table_schema, output_file):
 
     cursor = db.cursor()
     cursor.execute(build_schema_query(table_schema=table_schema))
-    result = cursor.fetchone()
+    results = cursor.fetchall()
     cursor.close()
 
-    parsed = parse_schema_data(schema_data=result[0])
+    parsed = parse_schema_data(schema_data=results)
     with open(output_file, 'w') as f:
         for table_name in sorted(parsed.keys()):
             f.write(SECTION_HEADING.format(table_name))

pg_table_markdown/database.py

@@ -1,4 +1,5 @@
 import psycopg2
+from psycopg2.extras import RealDictCursor
 try:
     from urllib.parse import urlparse
 except ImportError:
@@ -19,7 +20,13 @@ def database_connection(database_url):
     database = parsed.path.strip('/')
 
     try:
-        connection = psycopg2.connect(host=host, port=port, user=user, password=password, database=database)
+        connection = psycopg2.connect(
+            host=host,
+            port=port,
+            user=user,
+            password=password,
+            database=database,
+            cursor_factory=RealDictCursor)
     except psycopg2.OperationalError:
         raise UnableToConnectToDatabase
     connection.set_session(autocommit=True)

pg_table_markdown/queries.py

@@ -1,18 +1,14 @@
 def build_schema_query(table_schema):
     schema_query = """
-    WITH table_schema_info AS (
-        SELECT      table_name,
-                    column_name,
-                    column_default,
-                    is_nullable,
-                    data_type,
-                    character_maximum_length
-        FROM        information_schema.columns
-        WHERE       table_schema = '{0}'
-        ORDER BY    table_name,
-                    ordinal_position
-    )
-    SELECT      JSON_AGG(table_schema_info.*)
-    FROM        table_schema_info;
+    SELECT      table_name,
+                column_name,
+                column_default,
+                is_nullable,
+                data_type,
+                character_maximum_length
+    FROM        information_schema.columns
+    WHERE       table_schema = '{0}'
+    ORDER BY    table_name,
+                ordinal_position
     """.format(table_schema)
     return schema_query

setup.py

@@ -3,7 +3,7 @@
 
 setup(
     name='pg-table-markdown',
-    version='1.0.3',
+    version='1.0.4',
     author='Vokal',
     author_email='pypi@vokal.io',
     description='A command line tool that generates markdown documentation for Postgres tables in a given schema',